Add a transpose-character function to the editor. From Aaron Schrab.

4 files changed, 24 insertions, 0 deletions

diff --git a/OPS b/OPS
index dd42241c..6099864b 100644
--- a/OPS
+++ b/OPS
@@ -70,6 +70,7 @@ OP_EDITOR_KILL_EOL "delete chars from cursor to end of line"
 OP_EDITOR_KILL_LINE "delete all chars on the line"
 OP_EDITOR_KILL_WORD "delete the word in front of the cursor"
 OP_EDITOR_QUOTE_CHAR "quote the next typed key"
+OP_EDITOR_TRANSPOSE_CHARS "transpose character under cursor with previous"
 OP_ENTER_COMMAND "enter a muttrc command"
 OP_ENTER_MASK "enter a file mask"
 OP_EXIT "exit this menu"
diff --git a/doc/manual.sgml.tail b/doc/manual.sgml.tail
index 28e4a517..ff5d1d4b 100644
--- a/doc/manual.sgml.tail
+++ b/doc/manual.sgml.tail
@@ -311,6 +311,7 @@ kill-eol                  ^K   delete chars from cursor to end of line
 kill-line                 ^U   delete all chars on the line
 kill-word                 ^W   delete the word in front of the cursor
 quote-char                ^V   quote the next typed key
+transpose-chars    not bound   transpose character under cursor with previous
 </verb>
 
 <sect>Miscellany
diff --git a/enter.c b/enter.c
index 46786199..c8b00f33 100644
--- a/enter.c
+++ b/enter.c
@@ -484,6 +484,27 @@ int _mutt_enter_string (unsigned char *buf, size_t buflen, int y, int x,
 	    goto self_insert;
 	  }
 
+	case OP_EDITOR_TRANSPOSE_CHARS:
+	  j = buf[curpos];
+	  if(curpos == 0) 
+	  {
+	    buf[curpos] = buf[1];
+	    buf[1] = j;
+	  }
+	  else if (curpos == lastchar) 
+	  {
+	    j = buf[curpos-1];
+	    buf[curpos-1] = buf[curpos-2];
+	    buf[curpos-2] = j;
+	  }
+	  else 
+	  {
+	    buf[curpos] = buf[curpos-1];
+	    buf[curpos-1] = j;
+	  }
+	  redraw = M_REDRAW_LINE;
+	  break;
+
 	default:
 	  BEEP ();
       }
diff --git a/functions.h b/functions.h
index bcf77579..28b84f3f 100644
--- a/functions.h
+++ b/functions.h
@@ -365,6 +365,7 @@ struct binding_t OpEditor[] = {
   { "buffy-cycle",	OP_EDITOR_BUFFY_CYCLE,		" " },
   { "history-up",	OP_EDITOR_HISTORY_UP,		NULL },
   { "history-down",	OP_EDITOR_HISTORY_DOWN,		NULL },
+  { "transpose-chars",	OP_EDITOR_TRANSPOSE_CHARS,	NULL },
   { NULL,		0,				NULL }
 };